# Service difficulty reports: Lycoming IO-540-K1G5

A list on [Lycoming IO-540-K1G5](https://openairdocs.org/engine/lycoming-io-540-k1g5.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 4 · 163 reports

- [SDR 8TNC202609060001](https://openairdocs.org/sdr/8TNC202609060001.md): Case · cracked · Sep 6, 2026 · N81052 · Piper PA32301 · Reciprocating Engine Power Section
  > THIS ENGINE HAS BEEN REMOVED FROM SERVICE DUE TO A CRACK ON THE RT SIDE OF THE CASE BELOW THE NR 3 CYLINDER AT THE FORWARD LOWER CYLINDER HOLD DOWN NUT. CRACK STARTS FROM THE FORWARD LOWER CYLINDER HOLD DOWN NUT AND CONTINUES ABOUT 3 INCHES. ENGINE REMOVED F
- [SDR 2024FA0000727](https://openairdocs.org/sdr/2024FA0000727.md): Cylinder · damaged · Sep 19, 2024 · N651E · Reciprocating Engine Cylinder Section
  > ALL CYLINDERS WERE FOUND TIGHTLY INSTALLED TO THE ENGINE CASE AND REMOVED FOR EXAMINATION. CYLINDERS NUMBER 1, 2, AND 6 WERE REMOVED WITH MINOR RESISTANCE ONCE ATTACHING HARDWARE WAS REMOVED. CYLINDERS 3, 4, AND 5 WERE MET WITH RESISTANCE DURING THE REMOVAL PR
- [SDR 2022FA0000288](https://openairdocs.org/sdr/2022FA0000288.md): Landing Gear · none · Dec 3, 2021 · Piper PA32R300 · Fuselage Structure (General)
  > ON 12/3/2021 ON TAKE-OFF ROLL, THE NOSE LANDING GEAR SUDDENLY RETRACTED CAUSING THE AIRCRAFT TO SUFFER A PROP STRIKE AND OTHER NON-STRUCTURAL DAMAGE. THE CAUSE WAS BELIEVED TO BE A WORN HYDRAULIC ACTUATOR. REPAIRS WERE UNDERTAKEN AND THE AIRCRAFT RETURNED TO S
- [SDR 2021F00275](https://openairdocs.org/sdr/2021F00275.md): Magneto · malfunctioned · Aug 17, 2021 · N529PE · Piper PA32R301 · Magneto/Distributor
  > WHILE IN CRUISE FLIGHT EXPERIENCED ABNORMAL ENGINE NOISES AND SURGES. SUSPECTED MAG ISSUE DUE TO JUST INSTALLED SUREFLY ELECTRONIC MAG. DECLARED AN EMERGENCY AND LANDED ON AIRPORT. SUREFLY CONFIRMED KNOWN PROBLEM WITH 28 VOLT SYSTEMS WHERE UNIT OVERVOLTAGE
- [SDR 2018FA0000447](https://openairdocs.org/sdr/2018FA0000447.md): Impulse Coupling · malfunctioned · Oct 25, 2018 · N39771 · Piper PA32300 · Magneto/Distributor
  > APPEARS TO HAVE BEEN CAUSED BY IMPULSE COUPLER FAILURE. MAG CAUSED GEAR PN 71652 AND BEARING PN67542 TO FAIL.
- [SDR D1NR201709200001](https://openairdocs.org/sdr/D1NR201709200001.md): Trunnion · failed · Aug 22, 2017 · N8800E · Piper PA32R300 · Fuselage, Landing Gear Attach Fittings
  > DURING LANDING ROLL-OUT, THE NOSE LANDING GEAR COLLAPSED. DURING INSPECTION, IT WAS DETERMINED THE TRUNNION ASSEMBLY WAS FOUND TO HAVE FAILED NEAR THE NOSE GEAR DOWN-LOCK LINK ATTACH POINT. AFTER THAT AREA OF THE TRUNNION FAILED IT CAUSED THE RIGHT TRUNNION AT
- [SDR DSFA2016041100097](https://openairdocs.org/sdr/DSFA2016041100097.md): Impulse Coupling · defective · Apr 11, 2016 · N428S · Piper PA32301 · Magneto/Distributor
  > REMOVED MAGNETO MODEL 6351 FOR THE 250 HOUR IMPULSE INSPECTION REQUIRED BY AD 99-04-04. THE MAGNETO IMPULSE COUPLING FAILED THE INSPECTION SO WE INSTALLED A SERVICEABLE IMPULSE COUPLING. THE MAGNETO HAD 198.8 HOURS SINCE NEW. 16 HOURS LATER THE MAGNETO MODEL
- [SDR P9KA2014122201](https://openairdocs.org/sdr/P9KA2014122201.md): Intake Valve · leaking · Dec 22, 2014 · N8216T · Piper PA32301 · Reciprocating Engine Cylinder Section
  > DURING A ROUTINE 100 HOUR INSPECTION, THE NR 2 CYLINDER WAS FOUND TO HAVE COMPRESSION OF 30/80 WITH LEAKAGE OUT THE INTAKE VLV. THIS IS THE THIRD OCCURRENCE OF THE SAME PROBLEM ON THIS FACTORY OVERHAULED ENG IN LESS THAN 500 HOURS SINCE OVERHAUL. THE FIRST T
- [SDR CY4R201309050001](https://openairdocs.org/sdr/CY4R201309050001.md): Nozzle · missing · Apr 4, 2013 · N8374T · Piper PA32301 · Reciprocating Engine Cylinder Section
  > DURING CRUISE FLIGHT, A LOUD NOISE WAS HEARD COMING FROM THE ENGINE COMPARTMENT. FOLLOWED BY AN AIRFRAME VIBRATION, WHICH WAS FOLLOWED BY AN ENGINE SHUT DOWN. AFTER LANDING A LARGE HOLE WAS FOUND IN THE ENGINE CRANKCASE ABOVE THE NR 5 CYLINDER. DURING THE T
- [SDR 2012F00133](https://openairdocs.org/sdr/2012F00133.md): Crankcase · cracked · Jul 10, 2012 · N8216T · Piper PA32301 · Reciprocating Engine Power Section
  > CRACK WAS DISCOVERED IN THE FORWARD LEFT CASE HALF PROPAGATING OUT FROM NR 2 CYLINDER BASE. DAMAGE FOUND DURING ROUTINE 100 HOUR INSPECTION. ENGINE GROUND RUN CONFIRMED CRACK WAS LEAKING OIL.
- [SDR 2011FA0000519](https://openairdocs.org/sdr/2011FA0000519.md): Control Arm · broken · Aug 5, 2011 · N645BC · Piper PA32300 · Rudder Control System
  > THE PILOT REPORTED THAT THE RUDDER TRIM WAS WEAK. INVESTIGATION LED TO FINDING THE ARM ATTACH POINT ON THE RUDDER CONTROL ARM ASSY (63457-003) HAD BROKEN OFF. THE RUDDER PEDAL ASSY WAS REMOVED FROM THE ACFT AND SUBSEQUENT INSPECTION FOUND THAT THE CENTER SUP
- [SDR 2011FA0000279](https://openairdocs.org/sdr/2011FA0000279.md): Control Cable · failed · Apr 7, 2011 · N31407 · Piper PA32300 · Elevator Control System
  > DURING TOUCH AND GO`S, AFTER COMPLETING THE SECOND TOUCH AND GO, AND WITH FULL POWER IN A CLIMB AT AN ALTITUDE OF APPROX 15 FEET, THE NOSE OF THE ACFT PITCHED DOWN ABRUPTLY. THE ACFT NOSE GEAR CONTACTED THE RUNWAY VERY HARD, FOLLOWED IMMEDIATELY BY THE MAIN
- [SDR 2010FA0001266](https://openairdocs.org/sdr/2010FA0001266.md): Control Cable · broken · Dec 29, 2010 · N2155H · Piper PA32300 · Stabilizer Control System
  > LOWER FWD STABILATOR CONTROL CABLE, THREADED ROD END BROKE AT THE SAFETY WIRE WRAP WHERE IT THREADS INTO THE TURNBUCKLE THE ONLY THING HOLDING CABLE TOGETHER WAS A SINGLE STRAND OF.041 SAFETY WIRE.
- [SDR 2010FA0000725](https://openairdocs.org/sdr/2010FA0000725.md): Spline · sheared · Jul 15, 2010 · Fuel Injector Nozzle
  > FUEL PUMP RECEIVED WITH A SHEARED OFF SPLINE COUPLING. A TEARDOWN ANALYSIS, INSP REPORT EVALUATION, ORIGINAL SALES AND CERTIFICATION DOCUMENTS, APPLICABLE PAGES FROM THE MM AND SB AND PICTURES ARE INCLUDED IN A SEPARATE E-MAIL.
- [SDR 2010FA0000583](https://openairdocs.org/sdr/2010FA0000583.md): Blade · failed · May 14, 2010 · N83KL · Piper PA32R301 · Propeller Blade Section
  > ((ZY2R)) LOSS OF BLADE TIP IN-FLIGHT. IN FLIGHT, PILOT EXPERIENCED SUDDEN VIBRATION. AS HE WAS OVER AN AIRPORT, IMMEDATELY POWERED BACK AND LANDED THE ACFT APPROX 9 MINUTES LATER. AFTER GO AROUND ACFT INSP PILOT DISCOVERED 1 TIP MISSING FROM THE 3-BLADED P
- [SDR 2009FA0000469](https://openairdocs.org/sdr/2009FA0000469.md): Cylinder Head · separated · Mar 22, 2009 · Reciprocating Engine Cylinder Section
  > THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION. PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING. THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY O
- [SDR 2009FA0000470](https://openairdocs.org/sdr/2009FA0000470.md): Cylinder Head · separated · Mar 22, 2009 · Reciprocating Engine Cylinder Section
  > THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION. PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING. THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY O
- [SDR 2009FA0000471](https://openairdocs.org/sdr/2009FA0000471.md): Cylinder Head · separated · Mar 22, 2009 · Reciprocating Engine Cylinder Section
  > THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION. PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING. THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY O
- [SDR 2009FA0000472](https://openairdocs.org/sdr/2009FA0000472.md): Cylinder Head · separated · Mar 22, 2009 · Reciprocating Engine Cylinder Section
  > THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION. PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING. THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY O
- [SDR 2009FA0000473](https://openairdocs.org/sdr/2009FA0000473.md): Cylinder Head · separated · Mar 22, 2009 · Reciprocating Engine Cylinder Section
  > THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION. PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING. THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY O
- [SDR 2009FA0000474](https://openairdocs.org/sdr/2009FA0000474.md): Cylinder Head · separated · Mar 22, 2009 · Reciprocating Engine Cylinder Section
  > THIS CYLINDER HAS ONE (1) HOUR OF TEST CELL TIME. THE DEFECT WAS DISCOVERED AND BELIEVED TO BE HEAD BARREL SEPARATION. PERFORMED A COMPRESSION TEST WITH SOAP AND WATER TO CONFIRM OUR FINDING. THE CYLINDER WAS PURCHASED 2/17/2009 AND INSTALLED ON THIS NEWLY O
- [SDR FFKA01272008001](https://openairdocs.org/sdr/FFKA01272008001.md): Pump · failed · Jan 27, 2009 · N38305 · Piper PA32R300 · Vacuum Distribution System
  > PILOT REPORTED A VACUUM FAILURE WHILE EN ROUTE TO KCAE.
- [SDR PNSA110804](https://openairdocs.org/sdr/PNSA110804.md): Pump · failed · Nov 21, 2008 · N8259V · Piper PA32301 · Engine Fuel Pump
  > AFTER TAKEOFF PILOT SHUT THE FUEL BOOST PUMP (ELECTRIC) AND NOTICED AN IMMEDIATE FUEL FLOW REDUCTION, AND ENGINE BEGAN TO SHUT DOWN. PILOT TURNED BOOST PUMP BACK ON AND POWER WAS RESTORED FULLY. PILOT MADE A UNEVENTFUL LANDING AT THE DEPARTURE AIRPORT. MAIN
- [SDR 2008FA0000409](https://openairdocs.org/sdr/2008FA0000409.md): Alternator · damaged · Jun 7, 2008 · N30969 · Piper PA32R301 · DC Generator-Alternator
  > 4 SCREWS THAT HOLD THE RECTIFIER PLATE INTO THE BACK CASE OF ALTERNATOR CAME LOOSE AND CONTACTED THE ROTOR, DESTROYED ALTERNATOR. (K)
- [SDR 2008FA0000263](https://openairdocs.org/sdr/2008FA0000263.md): Cylinder · cracked · Apr 3, 2008 · N8200M · Piper PA32301 · Reciprocating Engine Cylinder Section
  > NR 2 CYL CRACKED FROM UPPER SPARK PLUG HOLE TO THE EXHAUST VALVE SEAT. CRACK IN HEAD LED TO FAILURE OF EXHAUST PUSHROD HOUSING, AND DEFORMATION OF THE EXHAUST PUSHROD. AC LANDED WITHOUT INCIDENT. (K)
- [SDR 2008F00002](https://openairdocs.org/sdr/2008F00002.md): Muffler · broken · Jun 11, 2007 · N6117J · Piper PA32300 · Engine Noise Suppressor
  > ON CLIMB AFTER TAKEOFF, PILOT HEARD BANG IN ENGINE COMPARTMENT, SMOKE AND FLAMES ENTERED CABIN AT PILOT'S FEET. AFTER LANDING AIRCRAFT, AIRCRAFT BURN, TOTAL LOSS. MUFFLER FOUND CRACKED/BROKEN EMITTING HEAT, FLAME, ETC. THROUGH HEATER MUFF INTO CABIN.
- [SDR PNSA070505](https://openairdocs.org/sdr/PNSA070505.md): Pump · malfunctioned · May 19, 2007 · N8259V · Piper PA32301 · Engine Fuel Pump
  > LOW FUEL FLOW. REMOVED AND REPLACED FUEL PUMP.
- [SDR PNSA070401](https://openairdocs.org/sdr/PNSA070401.md): Fuel Nozzle · malfunctioned · Apr 13, 2007 · N4327P · Piper PA32301 · Fuel Injector Nozzle
  > ON TAKEOFF ENGINE BEGIN RUNNING ROUGH LANDED AND CALLED MX. REMOVED AND REPLACED FUEL NOZZLES.
- [SDR FFKA114](https://openairdocs.org/sdr/FFKA114.md): Gear · damaged · Feb 26, 2007 · N5454F · Piper PA32R300 · Magneto/Distributor
  > PILOT REPORTED THAT THE ENGINE IS RUNNING ROUGH DURING TAXI AND HAD A BAD MAGNETO DROP. MAINTENANCE INVESTIGATED AND FOUND THE GEAR TEETH P/N 10-682016 BROKEN OFF OF BOTH THE LEFT AND RIGHT GEAR ASSEMBLIES. AFTER FURTHER INVESTIGATION OF THE MAGNETO, IT WAS
- [SDR PNSA070105](https://openairdocs.org/sdr/PNSA070105.md): Line · loose · Jan 30, 2007 · N82455 · Piper PA32301 · Reciprocating Engine Oil System
  > WHILE EN ROUTE FROM AKN TO DLG, THE PILOT NOTICED OIL PRESSURE WAS ON THE LOW REDLINE AND THE OIL ANNUNCIATOR WAS ON. AIRCRAFT LANDED NORMALLY IN DLG AND PILOT FOUND EXCESSIVE OIL ON BELLY AND THE OIL LEVEL REMAINING WAS 2 QUARTS. MAINTENANCE FOUND THE OIL VA
- [SDR YAX2006F00000](https://openairdocs.org/sdr/YAX2006F00000.md): Bolt · broken · Dec 12, 2006 · N8200M · Piper PA32301 · Reciprocating Engine Cylinder Section
  > FOUND BOLT BROKEN AT NR 1 CYLINDER BASE. NUT AND SPACER FROM OPPOSITE SIDE MISSING AT TIME OF INSPECTION. (K)
- [SDR 2006FA0001179](https://openairdocs.org/sdr/2006FA0001179.md): Connecting Rod · failed · Dec 5, 2006 · N2148N · Piper PA32RT300 · Reciprocating Engine Cylinder Section
  > INTERNAL ENGINE FAILURE, CYLINDERS 2 AND 4 CONNECTING RODS FAILED. ENGINE WAS ORIGINAL TO THE AIRCRAFT (1979).
- [SDR GQ72006F00000](https://openairdocs.org/sdr/GQ72006F00000.md): Trunnion · cracked · Mar 7, 2006 · N196SQ · Piper PA32R300 · Nose/Tail Landing Gear Attach Section
  > UPON INSPECTION OF THE NOSE GEAR. A 4.5 INCH CRACK WAS FOUND IN THE TUBULAR AREA OF THE LANDING GEAR TRUNNION. CAUSE IS UNKNOWN, BUT SUSPECT HARD LANDING, OR NOSE WHEEL TURNED BEYOND LIMITS. (K)
- [SDR 2006FA0000230](https://openairdocs.org/sdr/2006FA0000230.md): Trunnion · cracked · Feb 23, 2006 · N196SQ · Piper PA32R300 · Nose/Tail Landing Gear Attach Section
  > UPON INSPECTION OF THE NOSE GEAR. A 4.5 INCH CRACK WAS FOUND IN THE TUBULAR AREA OF THE LANDING GEAR TRUNNION CAUSE IS UNKNOWN, BUT SUSPECT HARD LANDING OR NOSE WHEEL TURNED BEYOND LIMITS. (K)
- [SDR LGD2005F00000](https://openairdocs.org/sdr/LGD2005F00000.md): Landing Gear · collapsed · Nov 17, 2005 · N771X · Cessna A185E · Main Landing Gear
  > GEAR BROKE ON LANDING ROLLOUT EST. 700 HOURS ON 3600 FLUIDINE SKIS, EST 7,000 HRS ON WHEEL ADAPTERS WITH 8:50 X 10 TIRES. RECOMMEND INSPECTIONS OR LIFE LIMITED PART, BROKE OFF AT TOP BOLT HOLES. (K)
- [SDR PNSA051103](https://openairdocs.org/sdr/PNSA051103.md): Axle · broken · Nov 16, 2005 · N81052 · Piper PA32301 · Hydraulic System, Main
  > AIRCRAFT WAS DEPARTING WITH QUARTERING CROSSWIND JUST AS THE AIRCRAFT WAS ROTATING PILOT FELT AND HEARD A (THUD) ON THE RT SIDE OF AIRPLANE. AIRCRAFT RETURNED TO ITS MAINTENANCE BASE AND A FLYBY WAS MADE AND IT WAS DISCOVERED THAT THE RAT WHEEL AND AXLE ASSEMB
- [SDR PNSA060502](https://openairdocs.org/sdr/PNSA060502.md): Fuel Control · unknown · Jun 22, 2005 · N4327P · Piper PA32301 · Fuel Control/Turbine Engines
  > PILOT WAS TAKING OFF AND JUST AS HE ROTATED THE ENGINE BEGAN TO RUN ROUGH, THE PILOT HAVING RUNAWAY LEFT LANDED AND SHUT DOWN ENGINE. MX STARTED THE ENGINE AFTER SOME DIFFICULTY THEN REPLACED FUEL SERVO, CLEANED FUEL NOZZLES, SUMPED A VERY SMALL AMOUNT OFF WA
- [SDR 2005FA0000445](https://openairdocs.org/sdr/2005FA0000445.md): Rack · dislodged · Mar 7, 2005 · N8310H · Piper PA32301 · Emergency Locator Beacon
  > DURING ANNUAL INSPECTION, FOUND ELT LAYING ON THE CONTROL CABLES IN AFT FUSELAGE. LATCH AHD FAILED ON ELT RACK. (EA21200505230) (K)
- [SDR AU510001607](https://openairdocs.org/sdr/AU510001607.md): Landing Gear · collapsed · Jan 7, 2005 · Piper PA32RT300 · Main Landing Gear
  > LT MAIN LANDING GEAR COLLAPSED. AIRCRAFT AND LANDING GEAR DAMAGED.
- [SDR LAB2004F00001](https://openairdocs.org/sdr/LAB2004F00001.md): Probe · inoperative · Sep 29, 2004 · N666EB · Piper PA32300 · Outside Air Temperature Indicator/Sensor
  > OAT (OUTSIDE AIR TEMPERATURE) PROBE INSTALLED IN CONJUNCTION WITH EFIS-SV SYSTEM FAILED. REPLACED PROBE WITH NEW AND CORRECTED PROBLEM.
- [SDR BJ3R200400002](https://openairdocs.org/sdr/BJ3R200400002.md): Alternator · defective · Sep 27, 2004 · N75143 · Piper PA32R300 · Alternator-Generator Drive
  > PREVIOUSLY INSTALLED OVERHAULED ALTERNATOR FAILED AFTER APPROXIMATELY 27 HOURS OF OPERATION. THE ALTERNATOR WAS MANUFACTURED BY KELLY AEROSPACE/ELECTROSYSTEMS. THERE WAS EXCESSIVE BINDING OF THE ALTERNATOR SHAFT AND PULLEY. IN ADDITION, TWO EACH OF THE COOL
- [SDR LAB2004F00002](https://openairdocs.org/sdr/LAB2004F00002.md): Ahrs · malfunctioned · Sep 21, 2004 · N54KA · Piper PA32300 · Integrated Flight System
  > AHRS (ALTITUDE HEADING REF SYSTEM) INSTALLED IAW EFIS-SV SYSTEM UNDER STC NR SA02203AK FAILED TO REPORT HEADING INDICATION.
- [SDR 2005FA0000441](https://openairdocs.org/sdr/2005FA0000441.md): Display · inoperative · Sep 15, 2004 · N8127Q · Piper PA32300 · Instrument Panel
  > THE INSTRUMENT DISPLAY UNIT (IDU) PRIMARY FLIGHT DISPLAY INSTALLED AS PART OF FLIGHT SYSTEM, INC EFIS-SV SYSTEM FAILED. DURING BOOT-UP, THE DISPLAY SHOWED VERTICAL LINES ACROSS THE SCREEN. (K)
- [SDR 2004FA0000942](https://openairdocs.org/sdr/2004FA0000942.md): Adc · malfunctioned · Sep 14, 2004 · N31589 · Piper PA32300 · Air Data Computer
  > UNIT REPORTING ERRONEOUS ALTITUDE READINGS UP TO 1000 FEET OFF. (AL05200401238)
- [SDR YAX2004F00000](https://openairdocs.org/sdr/YAX2004F00000.md): Adc · malfunctioned · Jul 13, 2004 · N8200M · Piper PA32301 · Air Data Computer
  > ADC REPORTING TO IDU VARIED ALTITUDE OF +800 FEET. CROSSWIND COMPONENT ERRONEOUS AT TIMES. UNIT INSTALLED AS PART OF EFIS-SV SYSTEM.
- [SDR PNSA040701](https://openairdocs.org/sdr/PNSA040701.md): Line · loose · Jul 9, 2004 · N8470Y · Piper PA32301 · Fuel Injector Nozzle
  > DURING CLIMB WHEN POWER WAS REDUCED ENGINE FUEL PRESSURE DROPPED AND ENGINE POWER WAS PARTIALLY LOSS. AIRCRAFT RETURNED TO AIRPORT AND MAINTENANCE FOUND FUEL INJECTOR LINE HAD COME LOOSE. THIS WAS FIRST FLIGHT AFTER FUEL INJECTOR MAINTENANCE.
- [SDR 2004FA0000550](https://openairdocs.org/sdr/2004FA0000550.md): Exhaust Valve · broken · Jul 7, 2004 · N9SA · Piper PA32R300 · Reciprocating Engine Cylinder Section
  > THE PILOT REPORTED A LOSS OF POWER AND LOSING ALTITUDE TO AIR TRAFFIC. AN EMERGENCY LANDING WAS ACCOMPLISHED AT A PUBIC AIRPORT. MAINTENANCE PERSONNEL FOUND THE NR 2 CYLINDER HAD A BROKEN EXHAUST VALVE, WITH THE PISTON AND CYLINDER DAMAGED DUE TO THE HEAD OF T
- [SDR 2005FA0000438](https://openairdocs.org/sdr/2005FA0000438.md): Ahrs · malfunctioned · Jun 16, 2004 · N8200M · Piper PA32301 · Attitude and Direction Data System
  > AHRS REPORTING TO IDU WANDERING HEADING AND ERRONEOUS ACCELL/DECELERATION. UNIT INSTALLED AS PART OF FLIGHT SYSTEMS, INC EFIS-SV SYSTEM. (K)
- [SDR AUS20040441](https://openairdocs.org/sdr/AUS20040441.md): Trunnion · cracked · May 21, 2004 · Piper PA32R301 · Main Landing Gear Attach Section
  > (AUS) RT MAIN LANDING GEAR TRUNNION CRACKED.
- [SDR 2004F00146](https://openairdocs.org/sdr/2004F00146.md): Points · failed · May 17, 2004 · N8127K · Piper PA32300 · Magneto/Distributor
  > INVESTIGATION OF MAGNETO FAILURE FOUND THAT THE CONTACT ARM OF THE PRIMARY POINT SET HAD SNAPPED OFF. THE BREAK OCCURED AT THE AREA WHERE THE STIFFENER FLANGES FLATEN OUT. JUST AT THE EDGE OF THE NYLON BLOCK. UNABLE TO DETERMINE CAUSE OF FAILURE. (AL0520040

Next page: https://openairdocs.org/engine/lycoming-io-540-k1g5/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'IO540K1G5'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-io-540-k1g5/reports

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